[Epidemiology of hypodontia in the permanent dentition]

The incidence of hypodontia of the permanent dentition was studied in a total of 3986 students, 11 to 21 years old, in secondary schools in Fürth in Bavaria. In 5.1% of all subjects hypodontia was observed. Most frequently involved were the lower second premalars (37.8%), the upper lateral incisors (29.0%), and the upper second premolars (22.4%).